diff --git a/src/lagrangian/cfdemParticle/subModels/smoothingModel/constDiffSmoothing/constDiffSmoothing.C b/src/lagrangian/cfdemParticle/subModels/smoothingModel/constDiffSmoothing/constDiffSmoothing.C
index 824b2630..dc739cc2 100644
--- a/src/lagrangian/cfdemParticle/subModels/smoothingModel/constDiffSmoothing/constDiffSmoothing.C
+++ b/src/lagrangian/cfdemParticle/subModels/smoothingModel/constDiffSmoothing/constDiffSmoothing.C
@@ -194,7 +194,7 @@ void constDiffSmoothing::smoothenReferenceField(volVectorField& fieldSrc) const
         (
             IOobject
             (
-                "xxx",
+                "NLarge",
                 particleCloud_.mesh().time().timeName(),
                 particleCloud_.mesh(),
                 IOobject::NO_READ,